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14131001440 = 255131674189
BaseRepresentation
bin11010010100100010…
…11111100001100000
31100110210222020202201
431022101133201200
5212420014021230
610254112222544
71010115346633
oct151221374140
940423866681
1014131001440
115aa1644596
1228a453aa54
1314427b841a
14980a57c1a
1557a8ad5ca
hex34a45f860

14131001440 has 48 divisors (see below), whose sum is σ = 33639384240. Its totient is φ = 5609244160.

The previous prime is 14131001399. The next prime is 14131001447. The reversal of 14131001440 is 4410013141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14131001447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316135 + ... + 358054.

It is an arithmetic number, because the mean of its divisors is an integer number (700820505).

Almost surely, 214131001440 is an apocalyptic number.

14131001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14131001440 is an abundant number, since it is smaller than the sum of its proper divisors (19508382800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14131001440 is a wasteful number, since it uses less digits than its factorization.

14131001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674335 (or 674327 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 14131001440 its reverse (4410013141), we get a palindrome (18541014581).

The spelling of 14131001440 in words is "fourteen billion, one hundred thirty-one million, one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 131 160 262 524 655 1048 1310 2096 2620 4192 5240 10480 20960 674189 1348378 2696756 3370945 5393512 6741890 10787024 13483780 21574048 26967560 53935120 88318759 107870240 176637518 353275036 441593795 706550072 883187590 1413100144 1766375180 2826200288 3532750360 7065500720 14131001440